@article{AFM_2023_48_2_a10,
     author = {Nathaniel Sagman},
     title = {Non-convexity of extremal length},
     journal = {Annales Fennici Mathematici},
     pages = {691--702},
     year = {2023},
     volume = {48},
     number = {2},
     doi = {10.54330/afm.138339},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.54330/afm.138339/}
}